File:Patent-US-2236720.pdf
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Dettagli
| Inventor |
Oscar H. Senf |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
323360 |
| Application Date |
1940-03-11 |
| Patent N° |
2236720 |
| Brevettato |
1941-04-01 |
| Priorità |
1940-03-11 |
| Brand | |
| Title |
Tip for mechanical pencils or the like |
| Description |
Puntale matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per il puntale di una matita meccanica. Riferimento a nº US-1872151.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:13, 15 July 2012 |  | 1,159 × 1,704, 4 pages (251 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Oscar H. Senf |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=323360 |ApplicationDate=1940-03-11 |PatentNum=2236720 |PatentDate=1941-04-01 |PriorityDate=1940-03-11 |Titolo=Tip for mechanical pencils or the like |... |
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